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comparison tomsfastmath/src/addsub/fp_cmp_mag.c @ 643:a362b62d38b2 dropbear-tfm

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Add tomsfastmath from git rev bfa4582842bc3bab42e4be4aed5703437049502a with Makefile.in renamed
author Matt Johnston <matt@ucc.asn.au>
date Wed, 23 Nov 2011 18:10:20 +0700
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642:33fd2f3499d2 643:a362b62d38b2
1 /* TomsFastMath, a fast ISO C bignum library.
2 *
3 * This project is meant to fill in where LibTomMath
4 * falls short. That is speed ;-)
5 *
6 * This project is public domain and free for all purposes.
7 *
8 * Tom St Denis, [email protected]
9 */
10 #include <tfm.h>
11
12 int fp_cmp_mag(fp_int *a, fp_int *b)
13 {
14 int x;
15
16 if (a->used > b->used) {
17 return FP_GT;
18 } else if (a->used < b->used) {
19 return FP_LT;
20 } else {
21 for (x = a->used - 1; x >= 0; x--) {
22 if (a->dp[x] > b->dp[x]) {
23 return FP_GT;
24 } else if (a->dp[x] < b->dp[x]) {
25 return FP_LT;
26 }
27 }
28 }
29 return FP_EQ;
30 }
31
32
33 /* $Source$ */
34 /* $Revision$ */
35 /* $Date$ */